Physics SL practice questions

The resistive force $F$ that acts on an object moving through a fluid at speed $v$ is given by $F = kv$ where $k$ is a constant. What is the unit of $k$?[1]

The binding energy per nucleon of $^{11}_{4}\text{Be}$ is 6 MeV. What is the energy required to separate the nucleons of this nucleus?

What is the number of protons and what is the number of neutrons in a nucleus of $^{214}_{82}\text{Pb}$?

Which quantity has the fundamental SI units of $\mathrm{kg \, s^{-3}}$?

A body moves with uniform speed around a circle of radius $r$. The period of the motion is $T$. What is the speed of the body?

A ball is tossed vertically upwards with a speed of 5.0 m s$^{-1}$. After how many seconds will the ball return to its initial position?

Which of the following is the SI unit of gravitational field strength?

A heating coil is connected to a battery of electromotive force (emf) 10 V and negligible internal resistance. The power dissipated in the coil is 25 W. What is the resistance of the coil?

A person walks 40 m due west and then 30 m due north. The total walking time is 100 s. What are the average speed and the magnitude of the average velocity of the person?

In an inelastic collision

Oil with volume $V$ has specific heat capacity $c$ at temperature $T$. The density of oil is $\rho$. Which of the following is the thermal capacity of the oil?

Which of the following lists three vector quantities?

What is the unit for the coefficient of volume expansion?

What is the relationship between nucleon number $A$, proton number $Z$ and neutron number $N$?

Three energy sources for power stations are

I. fossil fuel

II. pumped water storage

III. nuclear fuel.

Which energy sources are primary sources?